It sounds like you're describing a sensation or experience related to blades, perhaps in a metaphorical or artistic context. If you're talking about the "blades" being full, it could refer to being overwhelmed or fully engaged in something, and the "tiny amount" that enters might symbolize a final push or stimulus that triggers an unexpected reaction—like squeezing or tightening nerves.
This could relate to various scenarios, whether it be in art, life challenges, or even personal growth. Is there a specific context you had in mind, or a particular experience you want to elaborate on? I'm here to help you explore it further!